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Home Mobile Electronics Amplifiers U4-500 + Amp Kit Bundle

U4-500 + Amp Kit Bundle


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  • 1-ohm stability
  • Daisy chainable with pass-through channel
  • Full-range versatility
  • Very high, cost-effective power output ($/Watt)
  • Small form factor


The U4-500 multichannel full-range amplifier provides ample power for UTV, boats, touring motorcycles, dune buggies, and other adventure craft! These full-range amplifiers are powerful, stable, and take up very little space. Because of the small form factor, you can run a sub, mids, and highs from one amp when space is at a premium.

The 0/1 Gauge Kit was specifically designed with flexibility in mind. Power, speaker, remote turn-on, and RCA cables are all 17 feet long to reach from under the hood to wherever the amplifier is mounted.

The Q-Flex power wire carries power from the vehicle’s battery through a fuse block to the amplifier. The fuse block is connected within 12” of the battery to protect your battery, audio system, and vehicle. The ground wire runs from the amplifier to the vehicle’s frame.

If you have a factory stereo (head unit), make sure it has RCA speaker-level outputs, and remote sensing. You’ll need these to be able to connect the RCA and remote turn-on cables directly to the head unit.

Cont Wattage @ 4ohm4x150
Cont Wattage @ 2ohm4x250
Cont Wattage @ 1ohm4x500
S/N Ration>100dB
Input Voltage Sensitivity8 - 0.2
Power Wire Gauge - In4
Speaker Wire Gauge - Out16
Diminesions (in)7.3 x 8.9 x 2.5
Dimensions (mm)185 x 225 x 65